# Shadow Security vs AI Notes

The clearest difference is ads: Shadow Security at none against AI Notes's shown. AI Notes's advantage is update cadence (monthly vs every 5 months) and iOS requirement (16.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shadow Security ships an update every 5 months, AI Notes monthly. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Shadow Security | AI Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Size | 5 MB | 57 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Luadzers](https://appshunter.io/developer/1867049030) | [Thu Bui Thi Minh](https://appshunter.io/developer/1883022832) |

## What reviewers say

### Shadow Security

[App page](https://appshunter.io/ios/app/shadow-security/id6759615832)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AI Notes

[App page](https://appshunter.io/ios/app/ai-notes-smart-writing/id6764526948)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shadow Security free?

Shadow Security is free to download, with no in-app purchases.

### Is AI Notes free?

AI Notes is free to download, with no in-app purchases.

### Do Shadow Security or AI Notes have ads?

AI Notes shows ads; Shadow Security does not.

### Which is updated more often, Shadow Security or AI Notes?

Shadow Security ships an update every 5 months, and AI Notes monthly. Most recently, Shadow Security was updated on September 9, 2026 and AI Notes on September 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*